import jdk.internal.util.xml.impl.Input;

import java.io.*;
import java.net.Inet4Address;
import java.net.InetSocketAddress;
import java.net.Socket;

public class Client {
    public static void main(String[] args)throws Exception{
        Socket socket = new Socket();

        //超时时间
        socket.setSoTimeout(3000);
        //连接本地
        socket.connect(new InetSocketAddress(Inet4Address.getLocalHost(),2000),3000);
        System.out.println("已发起服务器连接，进入后续流程");
        System.out.println("客户端信息："+socket.getLocalAddress()+" P: "+socket.getLocalPort());
        System.out.println("服务器信息："+socket.getInetAddress()+" P: "+socket.getPort());

        try{
            todo(socket);
        }catch (Exception e){
            System.out.println("异常关闭");
        }

        //释放资源
        socket.close();
        System.out.println("客户端已退出");


    }


    private static void todo(Socket client)throws Exception{
        //构建键盘输入流
        InputStream in = System.in;
        BufferedReader input = new BufferedReader(new InputStreamReader(in));

        //得到socket输出流，并转换为打印流
        OutputStream outputStream = client.getOutputStream();
        PrintStream socketPrintStream = new PrintStream(outputStream);


        //得到socket输入流,并转换为BufferedReader
        InputStream inputStream = client.getInputStream();
        BufferedReader socketBufferedReader = new BufferedReader(new InputStreamReader(inputStream));

        boolean flag = true;
        do{

        //键盘读取一行
        String str = input.readLine();
        //发送到服务器
        socketPrintStream.println(str);

        String echo = socketBufferedReader.readLine();
        if("bye".equals(echo)){
            flag = false;
        }else{
            System.out.println(echo);
        }
        }while(flag);

        //资源释放
        socketPrintStream.close();
        socketBufferedReader.close();


    }
}
